X-Mini Capsule Speaker, Small but Loud

It's small and has loud sound, what is it? Is it cricket? Yes, that's correct, if it's animal. But, this object isn't animal. It's even not a living thing. So, what is it? If you don't know and too tired to think what this non-living object that has loud sound, this is the answer. It's X-Mini Capsule Speaker. From this gadget name, you must know that this gadget has mini size. It's not